WO2024067399A1 - Structure de pompe de presse - Google Patents

Structure de pompe de presse Download PDF

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Publication number
WO2024067399A1
WO2024067399A1 PCT/CN2023/120717 CN2023120717W WO2024067399A1 WO 2024067399 A1 WO2024067399 A1 WO 2024067399A1 CN 2023120717 W CN2023120717 W CN 2023120717W WO 2024067399 A1 WO2024067399 A1 WO 2024067399A1
Authority
WO
WIPO (PCT)
Prior art keywords
spring
valve stem
connecting seat
pump structure
structure according
Prior art date
Application number
PCT/CN2023/120717
Other languages
English (en)
Chinese (zh)
Inventor
黄建艺
Original Assignee
浙江正庄实业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江正庄实业有限公司 filed Critical 浙江正庄实业有限公司
Publication of WO2024067399A1 publication Critical patent/WO2024067399A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material

Definitions

  • the present application relates to the technical field of press pumps, and in particular to a press pump structure.
  • a press pump is a cosmetic product that causes liquid or lotion to flow out of a container by pressing a head cap. It is generally composed of a nozzle and a bottle body, and is one of the containers for liquid cream cosmetics. Its working principle is: by pressing the head cap to reciprocate, the volume of the bottle body periodically increases and decreases, which increases the pressure of the liquid, thereby sucking and discharging the liquid in the bottle body.
  • most press pumps on the market currently use steel wire springs. When the steel wire spring is soaked in liquid, it is inevitable that chemical reactions will occur, affecting the elastic properties of the product, and even causing the liquid to deteriorate and pollute, affecting the health of the user.
  • the present application provides a push pump structure, which can realize the integrated production and assembly of a plastic spring and a pump core of similar products, thereby improving the restoring force and resetting effect of the plastic spring and improving stability.
  • a push pump structure comprises a pump body, a connecting seat, a valve stem and a spring, wherein the valve stem is mounted on the pump body through the connecting seat, a spring cavity is formed between the valve stem and the connecting seat, and the spring is placed in the spring cavity.
  • valve stem comprises an inner valve stem and an outer valve stem wall, and the annular space between the inner valve stem and the outer valve stem wall is the spring cavity.
  • One end of the spring abuts against the outer valve stem wall at the top of the spring cavity, and the other end of the spring abuts against the connecting seat.
  • annular ring platform is arranged at the bottom of the connecting base, and the spring is against the annular ring platform or is sleeved on the ring platform.
  • a guide groove is provided on the inner wall of the annular ring platform, and a locking groove which is circumferentially connected to the guide groove is provided on the upper side of one side of the guide groove, and a raised locking block is provided in the locking groove.
  • the locking rib end of the valve stem slides from the guide groove to the locking groove to achieve locking limit, which limits the valve stem from continuing to be pressed down or rotating relative to the connecting seat, and can also enhance the connection stability between the valve stem and the connecting seat.
  • a locking rib is provided on the side of the inner valve stem, and a notch groove is provided on the inner wall of the spring. The locking rib cooperates with the notch groove to better fix the position of the spring, so that relative rotation between the spring and the valve stem is not likely to occur.
  • the spring is a helical plastic spring, and upper and lower helical parallel elastic helical ribs are symmetrically arranged between the ring openings at both ends of the helical plastic spring.
  • the elastic spiral ribs are connected by reinforcing ribs.
  • the spring is a bellows-type plastic spring, and the bellows-type plastic spring is in a pagoda shape, with an outer diameter of one end being larger than that of the other end.
  • the annular ring platform is provided with an air guide hole, and the air guide hole is communicated with the bellows-type plastic spring hole.
  • the annular ring platform is provided with an air guide hole, and the end of the bellows-type plastic spring close to the connecting seat is provided with a ventilation groove, and the air guide hole is communicated with the ventilation groove.
  • the pump structure disclosed in the embodiment of the present application has reasonable design, convenient production and assembly, good sealing and stability, and simple overall recycling. It is suitable for use as an all-plastic pump structure and can be used to pump liquids, emulsions or similar substances out of containers.
  • FIG1 is a cross-sectional view of a compression pump structure according to an embodiment of the present application.
  • FIG2 is a schematic diagram of the structure of a connecting socket according to an embodiment of the present application.
  • FIG3 is a three-dimensional view of a helical plastic spring according to an embodiment of the present application.
  • FIG4 is a schematic diagram of an initial state of a helical plastic spring according to an embodiment of the present application.
  • FIG5 is a schematic diagram of a helical plastic spring in a compressed state according to an embodiment of the present application.
  • FIG6 is a cross-sectional view of the structure of the pressing pump in the second embodiment of the present application.
  • FIG7 is a schematic diagram of the structure of the connecting socket according to the second embodiment of the present application.
  • FIG8 is a three-dimensional view of a bellows-type plastic spring according to a second embodiment of the present application.
  • FIG9 is a schematic diagram of an initial state of a bellows-type plastic spring according to a second embodiment of the present application.
  • FIG. 10 is a schematic diagram of a compressed state of a bellows-type plastic spring according to a second embodiment of the present application.
  • serial numbers and names of the parts in the above figures are: 11 (21) - straw, 12 (22) - plastic ball, 13 (23) - pump body, 131 (231) - through hole, 14 (24) - valve needle, 15 - piston (25), 16 (26) - large ring, 17 (27) - connecting seat, 171 (271) - annular ring platform, 1711 (2711) - guide groove, 1712 (2712) - lock Tightening groove, 1713 (2713) - air guide hole, 18 (28) - gasket, 19 (29) - helical plastic spring, 191 - elastic spiral rib, 192 - reinforcing rib, 193 - ring mouth, 291 - reinforced sleeve mouth, 2911 - ventilation groove, 110 (210) - valve stem, 1101 (2101) - locking rib, 1102 (2102) - spring chamber, 111 (211) - duckbill.
  • a push pump structure includes a pump body 13, a connection seat 17, a valve stem 110 and a spiral plastic spring 19, wherein the valve stem 110 is mounted to the pump body 13 through the connection seat 17.
  • the push pump structure also includes a duckbill 111, a gasket 18, a large ring 16, a piston 15, a valve needle 14, a plastic ball 12 and a straw 11.
  • a plastic ball 12 is provided at the liquid inlet hole in the pump body 13, and a straw 11 is inserted into the liquid inlet hole on the outer side of the bottom of the pump body 13.
  • the piston 15 in the pump body 13 is clamped and fixed at the connection between the valve stem 110 and the valve needle 14.
  • a through hole 131 is provided at the piston on one side of the pump body 13.
  • the valve stem 110 extends out of the pump body 13 and the connecting seat 17.
  • the outer diameter of the valve stem 110 is provided with a spiral plastic spring 19, and the top is provided with a duckbill 111.
  • the seat mouth of the connecting seat 17 is snap-fitted and fixed to the pump port of the pump body 13, and the center hole of the large circle 16 is clamped and fixed between the seat mouth of the connecting seat 17 and the outer flange of the outer diameter of the pump port of the pump body 13, and a gasket 18 is provided at the bottom of the outer flange of the pump body 13 in the large circle 16.
  • the lower chamber of the connecting seat 17 is snap-fitted and extends into the pump port of the pump body 14, and the spiral plastic spring 19 is located in the spring chamber 1102 of the valve stem 110 and the spring chamber 1101 of the lower chamber of the connecting seat 17.
  • spiral plastic spring 19 abuts against the top of the spring cavity of the outer diameter of the valve stem 110, and the other end of the spiral plastic spring 19 abuts against the edge of the hole at the connecting seat 17.
  • upper and lower spiral parallel and crossed elastic spiral ribs 191 are symmetrically arranged between the ring openings 193 at both ends of the spiral plastic spring 19, and the upper and lower connection points of the elastic spiral ribs 191 are symmetrically arranged on both sides of the ring openings 193 at both ends of the spiral plastic spring 19.
  • Reinforcement ribs 192 are symmetrically arranged between the upper and lower elastic spiral ribs 191 on one side, and the ring openings 193, elastic spiral ribs 191, and reinforcement ribs 192 of the spiral plastic spring 19 are integrally injection molded.
  • the upper and lower ring openings 193 at both ends of the spiral plastic spring 19 are provided with circumferential fixed glue positions, and the internal height of the connecting seat 17 after assembly with the valve stem 110 is less than the height of the spiral plastic spring 19.
  • annular ring platform 171 is protruded upward at the center hole of the connecting seat 17, and the annular ring platform 171 abuts against one end of the spiral plastic spring 19.
  • the outer diameter of the stem 110 of the valve stem 110 above the piston 15 is symmetrically provided with a protruding locking rib 1101, and the inner diameter of the annular ring platform 171 of the connecting seat 17 corresponding to the locking rib 1101 is provided with a guide groove 1711, and a connecting locking groove 1712 is provided above one side of the guide groove 1711, and a protruding locking block is provided in the locking groove 1712, and the end of the locking rib 1101 of the valve stem 110 slides from the guide groove 1711 to the locking groove 1712 to achieve locking and limiting.
  • a buckle groove is provided on the top ring surface of the valve stem 110, and the liquid inlet of the duckbill 111 is inserted into the liquid outlet of the valve stem 110, and the outer end surface of the liquid inlet of the duckbill 111 is buckled with the buckle groove of the valve stem 110.
  • the duckbill When in use, rotate the duckbill to drive the valve stem to the unlocked state, press the duckbill, and the liquid can be squeezed out of the duckbill. After use, rotate the duckbill to drive the valve stem to the closed state, the locking ribs of the valve stem and the locking grooves of the connecting seat are locked against each other, and the duckbill can be closed and cannot be pressed down.
  • the annular ring platform of the connecting seat can also be provided with air guide holes 1713, and the spiral plastic spring can be replaced with other plastic springs.
  • the inner diameter of the ring mouth at both ends of the spiral plastic spring is raised and symmetrically provided with notches, and the notches of the spiral plastic spring fit with the locking ribs of the valve stem.
  • the spiral plastic spring adopts a full plastic spring.
  • the structure and shape of the spiral plastic spring are similar to the style of the steel wire spring. It is a spiral structure that is symmetrical on both sides and spirally crossed in parallel up and down.
  • the ring openings at the upper and lower ends are provided with circumferential fixed glue positions.
  • the inner ring of the ring opening of the spiral plastic spring and the locking rib of the valve stem are limited and the position of the spiral plastic spring is fixed, so it is not easy to be misplaced.
  • the ring opening of the spiral plastic spring is respectively fitted with the top plane of the spring cavity of the valve stem and the plane of the annular ring platform of the connecting seat.
  • the internal height is less than the height of the spiral plastic spring, which is convenient for the assembly of the spiral plastic spring to form a state of upper and lower pressure.
  • the middle part of the spiral plastic spring adopts a spiral structure similar to the form of a steel wire spring.
  • Two elastic connecting pieces are respectively provided on both sides of the spiral part as reinforcing ribs to prevent it from expanding and deforming outwards when pressed down, and from telescopic deformation and deformation that cannot be reset due to severe distortion, which affects the normal operation of the spiral plastic spring.
  • the working principle of the spiral plastic spring is as follows: when the spiral plastic spring is subjected to a downward external force, the middle spiral design is deformed under the action of the force, and at the same time, after compression, there is an upward rebound force due to the spiral ribs; when the downward external force disappears, the spiral ribs rebound and the spring returns to its original position.
  • the above-mentioned helical plastic spring is made of highly elastic and heat-resistant molecular materials. Since the part needs to be deformed by external force, it has a high elastic deformation coefficient, otherwise it cannot effectively realize the rebound function. It is well known that the deformable body of ordinary materials is very easy to shrink severely and cause permanent deformation due to the relatively soft material itself, especially under high temperature conditions, thus losing the function of the deformable body. However, the deformable body made of highly elastic and heat-resistant molecular materials has the characteristics of high heat resistance, is not affected by high temperature shrinkage and reduces elasticity, and can still deform and recover normally under high temperature, greatly improving product quality and service life.
  • the above-mentioned helical plastic spring is used as a plastic spring to replace the wire spring, so that the entire product is a full plastic product. It is non-toxic and harmless during the production process, easy to degrade and easy to recycle, reducing environmental pollution hazards, and greatly improving the reuse and sustainability of raw materials.
  • a push pump structure disclosed in the present application includes a pump body 23, a connection seat 27, a valve stem 210 and a spring 29, wherein the valve stem 210 is mounted to the pump body 23 via the connection seat 27.
  • the push pump structure also includes a duckbill 211, a gasket 28, a large ring 26, a piston 25, a valve needle 24, a plastic ball 22 and a straw 21.
  • a suction pipe 21 is inserted into the liquid inlet hole at the bottom of one end of the pump body 23, a plastic ball 22 is provided at the liquid inlet hole in the pump body at the suction pipe 21, a clamped piston 25 is provided at the buckling position of the valve stem 210 and the valve needle 24 in the pump body, and a gap channel is provided between the piston 25, the valve stem 210 and the valve needle 24 at the buckling position of the valve stem 210 and the valve needle 24.
  • a through hole 231 is provided at the piston on one side of the pump body 23, and a connecting seat 27 is provided at the inner diameter of the top pump port at the other end of the pump body 23, and the seat mouth of the connecting seat 27 is protruding outwards and provided with a buckling edge, and a protruding buckling ring is provided at the outer diameter of the pump port of the pump body 23.
  • the center hole of the large circle 26 is buckled and fixed between the buckling ring of the pump body 23 and the buckling edge of the connecting seat 27, and a gasket 28 is provided at the bottom of the buckling ring of the pump body 23.
  • a plastic spring is provided on the outer diameter of the valve stem 210 extending out of the pump body 23 and the connecting seat 27 , and the liquid outlet and the groove surface at the top of the valve stem 210 are buckled and connected with the liquid inlet of the duckbill 211 as a whole.
  • the spring installation structure is as follows: the above-mentioned plastic spring is a bellows-type plastic spring 29, and an annular spring cavity 2102 is provided between the outer side and the inner side of the valve stem 210, and the connecting seat is buckled and extended into the pump body, and the spring cavity 2102 of the valve stem 210 and the extending cavity of the inner diameter of the connecting seat 27 are sleeved to form an inner outer cavity.
  • One end of the bellows-type spring 29 abuts against the top of the spring cavity 2102, and the other end of the bellows-type spring 29 abuts against the annular ring platform 271 protruding from the center hole of the connecting seat 27.
  • the pipe opening of the end of the bellows-type plastic 29 close to the valve stem 210 is trumpet-shaped and enlarged, and the pipe opening of the other end of the bellows-type plastic 29 close to the connecting seat 27 is a thickened integrally formed reinforced sleeve 291, and one side of the reinforced sleeve 291 is provided with an open ventilation groove 2911.
  • the internal height is less than the height of the bellows-type plastic spring 29.
  • the bellows-type plastic spring 29 is in a state of being compressed up and down.
  • the middle part of the bellows-type plastic spring 29 adopts an overall circular pagoda shape, and the upper and lower ends are respectively provided with circumferential fixed glue positions.
  • the annular ring platform 271 of the connection seat 27 is provided with an air guide hole 2713, and the air guide hole 2713 is communicated with the venting groove 2911 or the inner hole of the bellows-type plastic spring 29.
  • the outer diameter of the upper rod portion of the valve stem 210 is provided with a symmetrically arranged and raised locking rib 2101, and the inner wall of the annular ring platform 271 corresponding to the locking rib 2101 is provided with a guide groove 2711, and one side of the guide groove 2711 is provided with a locking groove 2712 that is connected to the upper part and partially raised.
  • the locking rib 2101 of the valve stem 210 rotates from the guide groove 2711 to the locking groove 2712, the locking rib 2101 is limited in the locking groove 2712 and cannot be pressed down.
  • the reinforcing sleeves 291 on both sides of the bellows-type plastic spring 29 corresponding to the locking rib 2101 are also provided with notch grooves.

Landscapes

  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

Structure de pompe de presse comprenant un corps de pompe, un siège de liaison, une tige de soupape et un ressort. La tige de soupape est montée sur le corps de pompe au moyen du siège de liaison ; une cavité de ressort est formée entre la tige de soupape et le siège de liaison, et le ressort est placé dans la cavité de ressort ; le ressort est un ressort en plastique en spirale ou un ressort en plastique du type soufflet. La pompe de presse est appropriée pour être utilisée en tant que structure de pompe de presse tout plastique et peut être utilisée pour pomper un liquide, une émulsion ou une substance similaire à partir d'un récipient. La conception structurale est raisonnable, la production et l'assemblage sont pratiques, une bonne performance d'étanchéité et une bonne stabilité sont obtenues, et le recyclage global est simple.
PCT/CN2023/120717 2022-09-26 2023-09-22 Structure de pompe de presse WO2024067399A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222541175.6 2022-09-26
CN202222541175.6U CN219545539U (zh) 2022-09-26 2022-09-26 一种按压泵结构

Publications (1)

Publication Number Publication Date
WO2024067399A1 true WO2024067399A1 (fr) 2024-04-04

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ID=87703712

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Application Number Title Priority Date Filing Date
PCT/CN2023/120717 WO2024067399A1 (fr) 2022-09-26 2023-09-22 Structure de pompe de presse

Country Status (2)

Country Link
CN (1) CN219545539U (fr)
WO (1) WO2024067399A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN219545539U (zh) * 2022-09-26 2023-08-18 浙江正庄实业有限公司 一种按压泵结构

Citations (9)

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Publication number Priority date Publication date Assignee Title
KR980009890A (ko) * 1996-07-12 1998-04-30 산타지울리아나 파올로 용기에 부착되며 전체가 플라스틱으로 만들어진 펌프
CN201880641U (zh) * 2010-11-03 2011-06-29 余姚晟祺塑业有限公司 全塑乳液泵
CN102464133A (zh) * 2010-11-03 2012-05-23 余姚晟祺塑业有限公司 全塑乳液泵
CN112193609A (zh) * 2020-09-09 2021-01-08 宁波圣捷喷雾泵有限公司 一种液体泵
CN112896781A (zh) * 2021-01-14 2021-06-04 李嘉欣 一种乳液泵
CN213832812U (zh) * 2020-09-17 2021-07-30 中山市联昌喷雾泵有限公司 一种外置弹性体的全塑泵
CN213832814U (zh) * 2020-09-25 2021-07-30 余姚市特力喷雾器有限公司 一种具有塑料弹簧的乳液泵
CN113895777A (zh) * 2021-11-05 2022-01-07 世捷包装制品(清远)有限公司 一种带防水环的全塑泵
CN219545539U (zh) * 2022-09-26 2023-08-18 浙江正庄实业有限公司 一种按压泵结构

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR980009890A (ko) * 1996-07-12 1998-04-30 산타지울리아나 파올로 용기에 부착되며 전체가 플라스틱으로 만들어진 펌프
CN201880641U (zh) * 2010-11-03 2011-06-29 余姚晟祺塑业有限公司 全塑乳液泵
CN102464133A (zh) * 2010-11-03 2012-05-23 余姚晟祺塑业有限公司 全塑乳液泵
CN112193609A (zh) * 2020-09-09 2021-01-08 宁波圣捷喷雾泵有限公司 一种液体泵
CN213832812U (zh) * 2020-09-17 2021-07-30 中山市联昌喷雾泵有限公司 一种外置弹性体的全塑泵
CN213832814U (zh) * 2020-09-25 2021-07-30 余姚市特力喷雾器有限公司 一种具有塑料弹簧的乳液泵
CN112896781A (zh) * 2021-01-14 2021-06-04 李嘉欣 一种乳液泵
CN113895777A (zh) * 2021-11-05 2022-01-07 世捷包装制品(清远)有限公司 一种带防水环的全塑泵
CN219545539U (zh) * 2022-09-26 2023-08-18 浙江正庄实业有限公司 一种按压泵结构

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